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[ROM][7.1.2][UNOFFICIAL] LineageOS 14.1 - SM-T550/SM-T555

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deadman96385

Retired Forum Moderator / Recognized Developer
Aug 19, 2011
2,235
7,785
Saint Paul, Minnesota
LineageOS is a free, community built, aftermarket firmware distribution of Android 7.1.2 (Nougat), which is designed to increase performance and reliability over stock Android for your device.

http%3A%2F%2Fimg.imgland.net%2FBINawli.png


Code:
#include <std_disclaimer.h>

/*
 * Your warranty is now void.
 *
 * We are not responsible for bricked devices, dead SD cards,
 * thermonuclear war, or you getting fired because the alarm app failed. Please
 * do some research if you have any concerns about features included in this ROM
 * before flashing it! YOU are choosing to make these modifications, and if
 * you point the finger at us for messing up your device, we will laugh at you.
 *
 */

LineageOS is based on the Android Open Source Project with extra contributions from many people within the Android community. It can be used without any need to have any Google application installed. You will need to provide your own Google Applications package (gapps). LineageOS does still include various hardware-specific code, which is also slowly being open-sourced anyway.

http%3A%2F%2Fi.imgur.com%2Fv3ogd3K.png

This thread is for Official LineageOS 14.1 builds for SM-T550/SM-T555. The following will not be supported here:
Custom kernels
Mods
Xposed

I don't support Xposed and any logcat which includes a Xposed module will be ignored. You're kindly invited to not report bugs if you:
Flashed a custom kernel
Installed or did mods from any source other then this thread
Modified system files

http%3A%2F%2Fimg.imgland.net%2F_4JAwRZ.png

First time flashing LineageOS 14.1 on your device, or coming from another ROM?
Download the zip(s)
Install a compatible Recovery (If you installed twrp early on you may need to reinstall it due to the device name changing)
Wipe data/factory reset
Flash LineageOS
Install the Google Apps addon package (Optional)
Reboot

http%3A%2F%2Fimg04.imgland.net%2FAg8dlGr.png


SM-T550/SM-T555 Downloads

Google Apps:
http://opengapps.org/

Kernel
https://github.com/Galaxy-MSM8916/android_kernel_samsung_msm8916
Device Tree
https://github.com/Galaxy-MSM8916/android_device_samsung_gt510wifi

http%3A%2F%2Fimg04.imgland.net%2F2uCBhNw.png

Aytex, who made all of the banners on this post.
Galaxy-MSM8916 Dev team
 
Last edited:

deadman96385

Retired Forum Moderator / Recognized Developer
Aug 19, 2011
2,235
7,785
Saint Paul, Minnesota
This build is designed for the Wifi-only variant (SM-T550) but it will flash and boot on the LTE variant (SM-T555), your tablet will act like a wifi only tablet so you will not have calling, texting, mobile data. In the future, I may make a SM-T555 build that has working telephony but probably not due to me not having one.

What's working:
Wifi
Bluetooth
Sensors
Video
Offline charging
Hardware buttons

What's broken:
GPS is flaky
Camera
Audio

Changelog:
4/18/18
Initial release
 
Last edited:

nils_92

Member
Apr 29, 2016
42
8
London
For some reason it's not booting on my device if I take the older version from you Android host profile it boots and only audio thorugh the devices speaker isn't working
 
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Davidoski01

Senior Member
Nov 26, 2017
59
19
@Deadman9365 Hi! Could you tell me which TWRP do you use? I found on the web only an UNOFFICIAL one which works only on MM... Could you help me, please? I would like to try this ROM :)
 

tsiebecker

New member
Apr 23, 2018
4
2
I have the same problem as user nils_92.
The old "nightly" version (lineage-14.1-20170619-NIGHTLY-gt510wifi) boots, but the new one (Sean_lineage-14.1-20180418-UNOFFICIAL-gt510wifi) does not. Here the device restarts again and again before it has been completely loaded for the first time. Tested with "TWRP-3.1.x-omni-7.1_j16_20170609_gt510wifi" and "TWRP-3.2.1.1-lineage-15.1_j2_20180418_gt510wifi" as recovery
 

tsiebecker

New member
Apr 23, 2018
4
2
I also tested the recoverys, the flashing of other custom roms for the SM-T550 works fine. So here you can rule out the error. What I haven't tried yet was to leave the device alone and see if it might catch itself again and then boot into the operating system at some point.

I can confirm for the nightly-version that the camera and the sound do not work.
Looking forward to testing the final version.
 

sir nom

Senior Member
Dec 5, 2011
63
18
Title says lineage 14.1 but github link are stating 15.1?
I am looking forward to flashing the next release and getting some more juice out of this tablet
 

Kawakigachi

Senior Member
May 18, 2018
110
185
Águeda
I have tablet (Samsung Galaxy Tab A 9.7) SM-T550

I do install TWRP 3.1.0.1 with ROM LineageOS 14.1.

1) Use to Wipe Factor Reset
2) Use to install Rom
3) Use to install GApps
4) Reboot

But, its not working (When i start "reboot") > "SAMSUNG GALAXY TAB A 9.7" after "LINEAGEOS" cant open launhcer, its alone off tablet and on again...
 
Last edited:
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nils_92

Member
Apr 29, 2016
42
8
London
Thank you developer and thank you all for not responding me.
Finally I have bricked my Tab, I'm very thankful to you guys.

First sentence says
* We are not responsible for bricked devices, dead SD cards,
so no need to thank anyone also it's been mentioned multiple times that there seems to be an issue and that it doesn't boot just get over it and flash stock or any other custom Rom for this device.

Not to mention that you seem to have a different device after all...
 

samymarboy

Member
Jul 31, 2013
38
17
Sahiwal
First sentence says so no need to thank anyone also it's been mentioned multiple times that there seems to be an issue and that it doesn't boot just get over it and flash stock or any other custom Rom for this device.

Not to mention that you seem to have a different device after all...


Where was you when I asked a question before flashing ?
Why your ramping now? When I didn't want a reply from you ?
 

virsys

Senior Member
Jan 8, 2018
123
118
Brussels, Server Rack 42
Audio is working now. Feel free to use my vendor & device tree here @deadman96385. There are still some camera related issues, for instance the bad preview in the stock camera app. Using a different camera app solved this issue for me. Since deadman already supports Lineage OS, I'll build & support AICP. Android Oreo works on the tablet, I hope deadman will switch to the newest version of android soon. If there's some time in the next month I'll try to fix the remaining issues (the camera and SELinux permissive). Maybe I have time to build a SM-T555 version, too. But I don't own this type of tablet, so I would definitely need some testers.
 

deadman96385

Retired Forum Moderator / Recognized Developer
Aug 19, 2011
2,235
7,785
Saint Paul, Minnesota
Audio is working now. Feel free to use my vendor & device tree here @deadman96385. There are still some camera related issues, for instance the bad preview in the stock camera app. Using a different camera app solved this issue for me. Since deadman already supports Lineage OS, I'll build & support AICP. Android Oreo works on the tablet, I hope deadman will switch to the newest version of android soon. If there's some time in the next month I'll try to fix the remaining issues (the camera and SELinux permissive). Maybe I have time to build a SM-T555 version, too. But I don't own this type of tablet, so I would definitely need some testers.

Nice work, I've been busy with other devices. But more then willing to work with you on the camera. I'll get your changes merged into the primary trees. Let me know via PM your email, hangouts, telegram username or whatever so we can have a chat.
 

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  • 7
    LineageOS is a free, community built, aftermarket firmware distribution of Android 7.1.2 (Nougat), which is designed to increase performance and reliability over stock Android for your device.

    http%3A%2F%2Fimg.imgland.net%2FBINawli.png


    Code:
    #include <std_disclaimer.h>
    
    /*
     * Your warranty is now void.
     *
     * We are not responsible for bricked devices, dead SD cards,
     * thermonuclear war, or you getting fired because the alarm app failed. Please
     * do some research if you have any concerns about features included in this ROM
     * before flashing it! YOU are choosing to make these modifications, and if
     * you point the finger at us for messing up your device, we will laugh at you.
     *
     */

    LineageOS is based on the Android Open Source Project with extra contributions from many people within the Android community. It can be used without any need to have any Google application installed. You will need to provide your own Google Applications package (gapps). LineageOS does still include various hardware-specific code, which is also slowly being open-sourced anyway.

    http%3A%2F%2Fi.imgur.com%2Fv3ogd3K.png

    This thread is for Official LineageOS 14.1 builds for SM-T550/SM-T555. The following will not be supported here:
    Custom kernels
    Mods
    Xposed

    I don't support Xposed and any logcat which includes a Xposed module will be ignored. You're kindly invited to not report bugs if you:
    Flashed a custom kernel
    Installed or did mods from any source other then this thread
    Modified system files

    http%3A%2F%2Fimg.imgland.net%2F_4JAwRZ.png

    First time flashing LineageOS 14.1 on your device, or coming from another ROM?
    Download the zip(s)
    Install a compatible Recovery (If you installed twrp early on you may need to reinstall it due to the device name changing)
    Wipe data/factory reset
    Flash LineageOS
    Install the Google Apps addon package (Optional)
    Reboot

    http%3A%2F%2Fimg04.imgland.net%2FAg8dlGr.png


    SM-T550/SM-T555 Downloads

    Google Apps:
    http://opengapps.org/

    Kernel
    https://github.com/Galaxy-MSM8916/android_kernel_samsung_msm8916
    Device Tree
    https://github.com/Galaxy-MSM8916/android_device_samsung_gt510wifi

    http%3A%2F%2Fimg04.imgland.net%2F2uCBhNw.png

    Aytex, who made all of the banners on this post.
    Galaxy-MSM8916 Dev team
    3
    I'm working in order to keep this device alive, too.
    Oreo works and the camera is working in my testbuilds, except for some grainy previews in the camera app.
    I'll release a build when the speakers are working. Headphones are working already.
    Stay tuned :)
    2
    This build is designed for the Wifi-only variant (SM-T550) but it will flash and boot on the LTE variant (SM-T555), your tablet will act like a wifi only tablet so you will not have calling, texting, mobile data. In the future, I may make a SM-T555 build that has working telephony but probably not due to me not having one.

    What's working:
    Wifi
    Bluetooth
    Sensors
    Video
    Offline charging
    Hardware buttons

    What's broken:
    GPS is flaky
    Camera
    Audio

    Changelog:
    4/18/18
    Initial release
    2
    @hellcat50Please deadman fix the audio!

    There is no need to fix the audio. It's already fixed.
    If it's still not fixed here next week, I'll publish a LineageOS Oreo build with audio.
    Deadman's last build has over 600 downloads, apparently there are still people who believe in this great tablet.

    Just to make some progress..
    2
    Audio is working now. Feel free to use my vendor & device tree here @deadman96385. There are still some camera related issues, for instance the bad preview in the stock camera app. Using a different camera app solved this issue for me. Since deadman already supports Lineage OS, I'll build & support AICP. Android Oreo works on the tablet, I hope deadman will switch to the newest version of android soon. If there's some time in the next month I'll try to fix the remaining issues (the camera and SELinux permissive). Maybe I have time to build a SM-T555 version, too. But I don't own this type of tablet, so I would definitely need some testers.